Bump @babel/preset-env from 7.8.6 to 7.8.7

Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.8.6 to 7.8.7.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.8.6...v7.8.7)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -65,7 +65,7 @@
   "devDependencies": {
     "@babel/cli": "^7.8.4",
     "@babel/core": "^7.8.6",
-    "@babel/preset-env": "^7.8.6",
+    "@babel/preset-env": "^7.8.7",
     "@sentry/webpack-plugin": "^1.10.0",
     "@types/jest": "^25.1.4",
     "webpack-cli": "^3.3.11"